Current position information management systems, methods, and programs
First Claim
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1. A current position information management system for a vehicle, comprising:
- a memory that stores map data; and
a controller that;
detects a current position of the vehicle using dead-reckoning navigation;
based on the detected current position, monitors a left-right position of the vehicle relative to a lane in which the vehicle is traveling;
adds up an amount of movement in the left-right direction; and
detects a lane change by comparing the added up amount of movement with the lane'"'"'s width, the lane'"'"'s width stored in the memory.
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Abstract
Systems, methods, and programs for current position information management store map data and detect a current position of a vehicle using dead-reckoning navigation. The systems, methods, and programs monitor, based on the detected current position, a left-right position of the vehicle relative to a lane in which the vehicle is traveling. The systems, methods, and programs add up an amount of movement in the left-right direction and detect a lane change by comparing the added up amount of movement with the lane'"'"'s width.
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Citations
20 Claims
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1. A current position information management system for a vehicle, comprising:
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a memory that stores map data; and
a controller that;
detects a current position of the vehicle using dead-reckoning navigation;
based on the detected current position, monitors a left-right position of the vehicle relative to a lane in which the vehicle is traveling;
adds up an amount of movement in the left-right direction; and
detects a lane change by comparing the added up amount of movement with the lane'"'"'s width, the lane'"'"'s width stored in the memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A current position information management method, comprising:
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storing map data;
detecting a current position of a vehicle using dead-reckoning navigation;
monitoring, based on the detected current position, a left-right position of the vehicle relative to a lane in which the vehicle is traveling;
adding up an amount of movement in the left-right direction; and
detecting a lane change by comparing the added up amount of movement with the lane'"'"'s width. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A storage medium storing a set of program instructions executable on a data processing device and usable to manage current position information, the instructions comprising:
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instructions for storing map data;
instructions for detecting a current position of the vehicle using dead-reckoning navigation;
instructions for monitoring, based on the detected current position, a left-right position of the vehicle relative to a lane in which the vehicle is traveling;
instructions for adding up an amount of movement in the left-right direction; and
instructions for detecting a lane change by comparing the added up amount of movement with the lane'"'"'s width.
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Specification